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Recreational maths

Go to the profile of Martin McBride
Martin McBride
Oct 1

Differentiation — the chain rule

In this article, we will look at using the chain rule to differentiate a composite function.

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Go to the profile of Martin McBride
Martin McBride
Sep 24

Drunk man and keys problem

The drunk man and keys problem is a simple but interesting probability problem.

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Go to the profile of Martin McBride
Martin McBride
Sep 22

Hyperbolic angles and conic sections

In this article we will look at the hyperbolic functions sinh and cosh. We will see why they…

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2 responses
Go to the profile of Martin McBride
Martin McBride
Sep 18

Logic gates

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Go to the profile of Martin McBride
Martin McBride
Sep 11

Trinary numbers and the Cantor set part 2

The Cantor set is one of the simplest fractals, and also one of the earliest to have…

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Go to the profile of Martin McBride
Martin McBride
Sep 9

Trinary numbers and the Cantor set

We are all familiar with base 10 numbers (denary). And if you have ever done any computer…

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Go to the profile of Martin McBride
Martin McBride
Sep 3

Derivative of sine, geometric proof

The first derivative of the sine function is the cosine function:

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1 response
Go to the profile of Martin McBride
Martin McBride
Sep 1

History and application of binary numbers

We tend to think of binary numbers as being a modern concept developed as part of…

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Go to the profile of Martin McBride
Martin McBride
Aug 27

Graph Theory — Adjacency Matrices

A graph is often represented by a graph diagram like the one on the left, below:

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Go to the profile of Martin McBride
Martin McBride
Aug 20

Countable and uncountable sets

Some infinite sets are more infinite than others.

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